ANTA01H3 Chapter Notes - Chapter 3: Nuclear Dna, Somatic Cell, Allosome
5 Oct 2016
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Cells: the basic units of life in all living things: prokaryotes: single-celled organisms. I. e. , bacteria and blue-algae: eukaryotic cell: a three-dimensional structure that contains a variety of organelles contained within a cell membrane. Nucleus: a structure (organelle) found in all eukaryotic cells. Within the nucleus are two acids that contain the genetic information that controls the cell"s function: Deoxyribonucleic acid (dna): the double-stranded molecule that contains the genetic code. Ribonucleic acid: a molecule similar in structure to dna. Three different single stranded forms of rna are essential to protein synthesis. Cytoplasm: the portion of the cell contained within the cell membrane, excluding the nucleus. Consists of a semi-fluid material and contains numerous structures involved in cell function. Mitochondria: structures contained within the cytoplasm of eukaryotic cells that convert energy derived from nutrients, to a form that is used by the cell. Mitochondrial dna (mtdna): dna found in mitochondria. Mtdna is inherited only from the mother: two types of cells:
